主题词：Soil and Unsaturated Flow; Landfill Environmental Impact Studies; Geotechnical Engineering and Soil Stabilization; Grouting, Rheology, and Soil Mechanics; Groundwater flow and contamination studies; Concrete and Cement Materials Research; Landslides and related hazards; Microbial Applications in Construction Materials; Geothermal Energy Systems and Applications; CO2 Sequestration and Geologic Interactions; Electrokinetic Soil Remediation Techniques; Geotechnical Engineering and Soil Mechanics; Climate change and permafrost; Rock Mechanics and Modeling; Geotechnical Engineering and Underground Structures; Geotechnical Engineering and Analysis; Methane Hydrates and Related Phenomena; Geotechnical and construction materials studies; Recycling and utilization of industrial and municipal waste in materials production; Tailings Management and Properties; Geophysical and Geoelectrical Methods; Recycled Aggregate Concrete Performance; Underground infrastructure and sustainability; Geological Modeling and Analysis; Geophysical Methods and Applications